What is Brian Walker's NPI number?

Brian Walker's National Provider Identifier (NPI) is 1407616972, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Brian Walker's specialty?

Brian Walker is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).

Where is Brian Walker located?

Brian Walker's practice location on file with NPPES is 600 S Paulina St Ste 403, Chicago, IL 60612-3806.

What is Brian Walker's phone number?

The practice phone number listed in the NPPES registry for Brian Walker is (312) 942-7100.

Is Brian Walker's NPI active?

Yes — Brian Walker's NPI (1407616972) is active in the NPPES registry as of the last update on 2025-10-14.

IndividualActive

Brian Walker

NPI 1407616972 · Pediatrics Physician · Chicago, IL

Brian Walker is a Pediatrics Physician provider in Chicago, IL (NPI 1407616972).

Provider details

NPI number: 1407616972
Entity type: Individual
Primary specialty: Pediatrics PhysicianAllopathic & Osteopathic Physicians
Sex: Male
Sole proprietor: Yes
License: 205309 (CA)

Specialties & taxonomies

Pediatrics PhysicianPrimary208000000XLicense 205309 (CA)
Allopathic & Osteopathic Physicians

Profile Score

Established profile(57/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
2 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

600 S Paulina St Ste 403

Chicago, IL 60612-3806

Phone: (312) 942-7100

Street-level locationGet directions

More IL providers

Mailing address